SMR 24 ounce Tatanka Stainless Steel Tumbler. Get your Tumbler while supplies last. These are 24 ounce tumblers that are custom made when ordered. Each features the Smooth Moves Ranch logo and Tantanka. Proceeds benefit the building fund for our Equine Assisted Therapy Program. Customize by selecting your options below. Just let us know the name you want on your cup. Please allow 14 to 21 days for delivery.